linux-kernel - [RESEND PATCH 2/2] arm64: make WANT_HUGE_PMD_SHARE depends on HUGETLB

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Date:   Wed, 14 Dec 2016 22:19:11 +0800
From:   zhongjiang <zhongjiang@...wei.com>
To:     <catalin.marinas@....com>, <will.deacon@....com>,
        <rrichter@...ium.com>, <mark.rutland@....com>, <arnd@...db.de>,
        <ard.biesheuvel@...aro.org>, <robh+dt@...nel.org>,
        <dwoods@...hip.com>, <jeremy.linton@....com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [RESEND PATCH 2/2] arm64: make WANT_HUGE_PMD_SHARE depends on HUGETLB_PAGE

From: zhong jiang <zhongjiang@...wei.com>

when HUGETLB_PAGE is disable, WANT_HUGE_PMD_SHARE contains the
fuctions should not be use. therefore, we add the dependency.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 969ef88..694ca73 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -640,6 +640,7 @@ config SYS_SUPPORTS_HUGETLBFS
 
 config ARCH_WANT_HUGE_PMD_SHARE
 	def_bool y if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36)
+	depends on HUGETLB_PAGE
 
 config ARCH_HAS_CACHE_LINE_SIZE
 	def_bool y
-- 
1.8.3.1